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The CFH 400 is a high-linearity pHEMT FET that exhibits both a high intercept point and low noise figure. The device is suitable for front-end applications to 4 GHz such as PCS CDMA and UMTS receivers, base stations LNAs, and WLAN front-ends. The device achieves a noise figure as low as 0.55 dB with 15 dB associated gain at 1.8 GHz. It is packaged in a low-cost SOT343 package and is 100% DC tested before packaging/RF LAT after packaging.
CFH400 Maximum Ratings
Parameter
Symbol
Unit
Drain-source voltage
VDS
5.5
V
Drain-gate voltage
VDG
6.5
Gate-source voltage
VGS
-2.0
Drain current
ID
80
mA
Channel temperature
TCh
150
°C
Storage temperature range
Tstg
-65...+150
Total power dissipation (TS < tbd°C) 2
Ptot
150
mW
CFH400 Features
• Low Noise figure and high associated gain for high IP3 receivers stages • Frequencies to 4 GHz • NF=0.55 dB; Ga=15.7 dB @ f=1.8 GHz, 3V, 10 mA • Low cost miniature SOT343 package • Lg = 0.4um; Wg = 400um • Tape and reel packaging